by Sathananthan, A.H., Ratnam, S.S., Ng, S.C., Tarín, J.J., Gianaroli, L., Trounson, A.
Published in Human reproduction (Oxford) (01.02.1996)

by Yong, E.L., Ng, S.C., Roy, A.C., Yun, G., Ratnam, S.S.
Published in The Lancet (British edition) (17.09.1994)

by Goh, H.H., Loke, D.F.M., Ratnam, S.S.
Published in Maturitas (1995)

by Bongso, T A, Sathananthan, A H, Wong, P C, Ratnam, S S, Ng, S C, Anandakumar, C, Ganatra, S
Published in Human reproduction (Oxford) (01.02.1989)

by Ng, S C, Bongso, T A, Sathananthan, H, Tok, V C, Ratnam, S S
Published in Human reproduction (Oxford) (01.02.1990)

by Chua, S., Viegas, O.A.C., Counsilman, J.J., Ratnam, S.S.
Published in Social science & medicine (1982) (1989)

by Chua, S, Viegas, O A, Ratnam, S S
Published in Asia-Pacific population journal (01.03.1990)

by Singh, K, Ratnam, S.S
Published in International journal of gynecology and obstetrics (01.12.1998)

by Yong, E.L, Tut, T.G, Ghadessy, F.J, Prins, G, Ratnam, S.S
Published in Molecular and cellular endocrinology (13.02.1998)

by Tham, K.F., Ratnam, S.S.
Published in International journal of gynecology and obstetrics (01.04.1998)

by Goh, H.H.V., Ratnam, S.S.
Published in Maturitas (1997)

by GUNASEGARAM, R, PEH, K. L, LOGANATH, A, RATNAM, S. S
Published in Breast cancer research and treatment (01.07.1998)

by Oei, P.L, Chua, S, Tan, L, Ratnam, S.S, Arulkumaran, S
Published in International journal of gynecology and obstetrics (01.07.1998)

by Chua, S., Arulkumaran, S., Yap, C., Selamat, N., Ratnam, S.S.
Published in Obstetrics and gynecology (New York. 1953) (1995)

by Dramusic, V., Goh, V.H.H., Rajan, U., Wong, Y.C., Ratnam, S.S.
Published in Journal of pediatric & adolescent gynecology (01.08.1997)

by Singh, Kuldip, Ratnam, S.S.
Published in Contraception (01.08.1997)

by Annapoorna, V., Arulkumaran, S., Anandakumar, C., Chua, S., Montan, S., Ratnam, S.S.
Published in International journal of gynecology and obstetrics (01.10.1997)

by Bongso, A., Fong, C.Y., Ng, S.C., Ratnam, S.S.
Published in Theriogenology (1994)

by Ratnam, S.S.
Published in International journal of gynecology and obstetrics (01.04.1994)

by Viegas, O.A.C., Khaw, Benny, Ratnam, S.S.
Published in European journal of obstetrics & gynecology and reproductive biology (01.05.1993)